Alloy 20 Flanges

Alloy 20 Flanges

Ratnam Steel Ltd is a manufacturer, supplier, exporter of a huge variety of products. We are an esteemed company that is pretty much engaged in giving a widespread variety of Alloy 20 Flanges. Being ISO certified company and producing huge range of products, we have a huge number of domestic as well as international clients. We have supplied Alloy 20 Flanges to clients in India as well as across the globe in countries such as US, UK, Italy, Germany, Australia etc. We offer Alloy 20 Flanges at economical price to our consumers. These products have a widespread application in number of industries like sugar, nuclear, marine, defence, fabrication etc.

Equivalent Grades

STANDARD WERKSTOFF NR. UNS AFNOR EN
Alloy 20 2.4660 N08020 Z2NCUD31-20AZ NiCr20CuMo

Specification

Standards : ASTM, ASME Flanges, ANSI Flanges, DIN Flanges, EN Flanges, BS Flanges etc.

Dimensions : ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.

Specifications : ASTM B 564 / ASME SB 564

Grade : Alloy 20 – UNS N08020

Size : 1/2″NB TO 60″NB

Class : 150#, 300#, 600#, 900#, 1500#, 2500#.

Pressure : DIN PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160.

Chemical Composition

Element Alloy 20
Ni 32 – 38
Fe Bal
C 0.02 max
Mn 1 – 2
Si 0.7 max
Cu 3 – 4
Cr 19 – 21
Mo 2 – 3
S 0.005 max
P 0.02 max
Nb 0.1 – 0.3

Physical & Mechanical Properties

Element Alloy 20
Density 8.1 g/cm3
Melting Point 1443 °C (2430 °F)
Tensile Strength Psi -80,000, MPa -551
Yield Strength (0.2%Offset) Psi – 35,000, MPa – 241
Elongation 30 %